Re: AutoVacuum starvation from sinval messages

From: Hannu Krosing <hannu(at)2ndQuadrant(dot)com>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>
Cc: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: AutoVacuum starvation from sinval messages
Date: 2012-11-08 22:50:44
Message-ID: 509C3744.7090206@2ndQuadrant.com
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On 11/08/2012 11:40 PM, Simon Riggs wrote:
> On 8 November 2012 20:36, Jeff Janes <jeff(dot)janes(at)gmail(dot)com> wrote:
>
>> It does not seem outrageous to me that there would be real-world
>> conditions in which invalidations would be sent more than once a
>> minute over prolonged periods, so this total starvation seems like a
>> bug.
> Yes, its a bug, but do you really believe the above? In what cases?
>
Could heavy use of temporary tables cause this ?

Hannu

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